<pre>Exception (Database Exception) &#039;yii\db\Exception&#039; with message &#039;SQLSTATE[HY000] [1045] Access denied for user &#039;root&#039;@&#039;localhost&#039; (using password: NO)&#039; 

in /www/feehicms/vendor/yiisoft/yii2/db/Connection.php:597

Stack trace:
#0 /www/feehicms/vendor/yiisoft/yii2/db/Connection.php(943): yii\db\Connection-&gt;open()
#1 /www/feehicms/vendor/yiisoft/yii2/db/Connection.php(930): yii\db\Connection-&gt;getMasterPdo()
#2 /www/feehicms/vendor/yiisoft/yii2/db/Command.php(243): yii\db\Connection-&gt;getSlavePdo()
#3 /www/feehicms/vendor/yiisoft/yii2/db/Command.php(1062): yii\db\Command-&gt;prepare(true)
#4 /www/feehicms/vendor/yiisoft/yii2/db/Command.php(386): yii\db\Command-&gt;queryInternal(&#039;fetchAll&#039;, NULL)
#5 /www/feehicms/vendor/yiisoft/yii2/db/Query.php(217): yii\db\Command-&gt;queryAll()
#6 /www/feehicms/vendor/yiisoft/yii2/db/ActiveQuery.php(133): yii\db\Query-&gt;all(NULL)
#7 /www/feehicms/vendor/feehi/cms-core/frontend/widgets/MenuView.php(40): yii\db\ActiveQuery-&gt;all()
#8 /www/feehicms/vendor/yiisoft/yii2/base/Widget.php(140): cms\frontend\widgets\MenuView-&gt;run()
#9 /www/feehicms/vendor/feehi/cms-core/frontend/views/layouts/main.php(84): yii\base\Widget::widget()
#10 /www/feehicms/vendor/yiisoft/yii2/base/View.php(332): require(&#039;/www/feehicms/v...&#039;)
#11 /www/feehicms/vendor/yiisoft/yii2/base/View.php(250): yii\base\View-&gt;renderPhpFile(&#039;/www/feehicms/v...&#039;, Array)
#12 /www/feehicms/vendor/yiisoft/yii2/base/Controller.php(399): yii\base\View-&gt;renderFile(&#039;/www/feehicms/v...&#039;, Array, Object(frontend\controllers\SiteController))
#13 /www/feehicms/vendor/yiisoft/yii2/base/Controller.php(385): yii\base\Controller-&gt;renderContent(&#039;&lt;div class=&quot;con...&#039;)
#14 /www/feehicms/vendor/feehi/cms-core/frontend/controllers/SiteController.php(76): yii\base\Controller-&gt;render(&#039;login&#039;, Array)
#15 [internal function]: cms\frontend\controllers\SiteController-&gt;actionLogin()
#16 /www/feehicms/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array(Array, Array)
#17 /www/feehicms/vendor/yiisoft/yii2/base/Controller.php(157): yii\base\InlineAction-&gt;runWithParams(Array)
#18 /www/feehicms/vendor/yiisoft/yii2/base/Module.php(528): yii\base\Controller-&gt;runAction(&#039;login&#039;, Array)
#19 /www/feehicms/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module-&gt;runAction(&#039;site/login&#039;, Array)
#20 /www/feehicms/vendor/yiisoft/yii2/base/Application.php(386): yii\web\Application-&gt;handleRequest(Object(yii\web\Request))
#21 /www/feehicms/frontend/web/index-test.php(18): yii\base\Application-&gt;run()
#22 {main}</pre>